Pseudoplatani Mayer, 1779, Abh. Privatges Bohman 4: 184 (acc. D.T. 93: 131).
Pubescentis Mayr. Present assignment.
Pulchella Beutenmüller. Present assignment.
Punctata Bassett, 1863, Proc. Ent. Soc. Phila. 2: 324.
Pupoides Kinsey. Present assignment.
Pusilla Dahlbom, 1842, Onychia och Callaspidia, suppl. page 4 no. 38.
Pyriformis Olivier, by D.T.93: 76.
Quadrilineata Hartig, by Thompson, 1877, Opusc. Ent. 8: 784.
Quercus Fourcroy, by Rossi, 1790, Fauna Etrusca 2: 19 (acc. D.T.93: 54).
Quercus-folii Linnaeus, by Newman, 1868, The Ent. 4: 77.
Racemaria Ashmead, 1881, Trans. Amer. Ent. Soc. 9: XXVI.
Racemosus Fourcroy, 1785, Ent. Paris 2: 383 (acc. D.T.93: 75).
Radicis Fabricius, 1798, Ent. Syst. suppl.: 213.
Ramuli Linnaeus, 1761, Fauna Suecica ed. 2: 387 (acc. D.T.93: 96).
Ramulorum Fonscolombe, by D.T.93: 76.
Reaumurii Hartig, 1840, by Kaltenbach, 1867, Verh. Ver. Rheinl. 24: 58 (acc. D.T.93: 45).
Renum Giraud, by Kaltenbach, 1867, Verh. Ver. Rheinl. 24: 61 (acc. D.T. 93: 63). Cynips for gall only by Hartig, 1840, Germar Ent. Zeit. 2: 208.
Rhocados Bouché, 1834, Naturg. Ins.: 164. Also as rhoeadis.
Rhyzomae Hartig, 1843, Germar Ent. Zeit. 4: 405.
Ribes Kinsey. Present assignment.
Rileyi Bassett, 1881, Amer. Nat. 15: 149.
Robustula Dahlbom, 1842, Onychia och Callaspidia, suppl. page 4 no. 42.
Rosae Linnaeus, 1758, Syst. Nat. ed. 10, 1: 553.
Rosae-spinosissimae Inchbald, 1861, Zoologist 19: 7824 (acc. D.T.93: 130).
Röseli Dahlbom, 1842, Onychia och Callaspidia, suppl. page 4 no. 48.
Rosenhaueri Hartig in Rosenhauer, 1856, Th. Andalus.:373 (acc. D.T. 93: 65).
Rubi Schrank, 1781, Enum. Ins. Austr.:320 (acc. D.T.93: 76).
Rubi Bouché, 1834, Naturg. Ins.: 163.
Rubrae Karsch, by D.T.93: 76.
Rubricosa Kinsey. Present assignment.
Rubripes Thomson, 1877, Opusc. Ent. 8: 787.
Rufa Thomson, 1877, Opusc. Ent. 8: 783.
Rufescens McCracken & Egbert, 1922, Stanford Univ. Publ. 3 (1): 21.
Ruficeps Zetterstedt, 1838, Ins. Lappon. 1: 410 (acc. D.T. 93: 36).
Ruficornis Rossi, 1794, Mant. Ins. 2:app. 106 (acc. D.T. 93: 6).
Ruficornis Schenck, 1865, Jahrb. Ver. Nassau 17-18: 182.
Rufipes Fabricius, 1804, Syst. Piez.: 148 (acc. D.T.93: 76).
Rufiventris Thomson, 1877, Opusc. Ent. 8: 783.
Rugosa Bassett, 1881, Canad. Ent. 13: 100.
Rugosa Ashmead, 1881, Trans. Amer. Ent. Soc. 9:XVI1T.
Russa Kinsey Present assignment.
Rydbergiana Cockerell. Present assignment.